package dao;

import java.util.Date;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

import bean.AtcLog;
import bean.Travelogue;
import bean.User;

/**
 * A data access object (DAO) providing persistence and search support for
 * Travelogue entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see bean.Travelogue
 * @author MyEclipse Persistence Tools
 */

public class TravelogueDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(TravelogueDAO.class);
	// property constants
	public static final String LOG_NAME = "logName";
	public static final String LOG_COMMENT = "logComment";
	public static final String PRIVACY = "privacy";

	public void save(Travelogue transientInstance) {
		Transaction ts=null;
		log.debug("saving Travelogue instance");
		try {
			ts=getSession().beginTransaction();
			getSession().save(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}
	public void update(AtcLog transientInstance) {
		Transaction ts=null;
		log.debug("saving User instance");
		try {
			ts=getSession().beginTransaction();
			getSession().update(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void delete(Travelogue persistentInstance) {
		Transaction ts=null;
		log.debug("deleting Travelogue instance");
		try {
			ts=getSession().beginTransaction();
			getSession().delete(persistentInstance);
			log.debug("delete successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("delete failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public Travelogue findById(java.lang.Integer id) {
		Transaction ts=null;
		Travelogue instance=null;
		log.debug("getting Travelogue instance with id: " + id);
		try {
			ts=getSession().beginTransaction();
			instance = (Travelogue) getSession().get(
					"bean.Travelogue", id);
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("get failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return instance;
	}

	public List findByExample(Travelogue instance) {
		Transaction ts=null;
		List results=null;
		log.debug("finding Travelogue instance by example");
		try {
			ts=getSession().beginTransaction();
			results = getSession().createCriteria("bean.Travelogue").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by example failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findByProperty(String propertyName, Object value) {
		Transaction ts=null;
		List results=null;
		log.debug("finding Travelogue instance with property: " + propertyName
				+ ", value: " + value);
		try {
			ts=getSession().beginTransaction();
			String queryString = "from Travelogue as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by property name failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findByLogName(Object logName) {
		return findByProperty(LOG_NAME, logName);
	}
	
	public List findByUser(User user){
		return findByProperty("user",user);
	}

	public List findByLogComment(Object logComment) {
		return findByProperty(LOG_COMMENT, logComment);
	}

	public List findByPrivacy(Object privacy) {
		return findByProperty(PRIVACY, privacy);
	}

	public List findAll() {
		Transaction ts=null;
		List results=null;
		log.debug("finding all Travelogue instances");
		try {
			ts=getSession().beginTransaction();
			String queryString = "from Travelogue";
			Query queryObject = getSession().createQuery(queryString);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find all failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public Travelogue merge(Travelogue detachedInstance) {
		Transaction ts=null;
		Travelogue result=null;
		log.debug("merging Travelogue instance");
		try {
			ts=getSession().beginTransaction();
			result = (Travelogue) getSession().merge(
					detachedInstance);
			log.debug("merge successful");			
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("merge failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return result;
	}

	public void attachDirty(Travelogue instance) {
		Transaction ts=null;
		log.debug("attaching dirty Travelogue instance");
		try {
			ts=getSession().beginTransaction();
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void attachClean(Travelogue instance) {
		Transaction ts=null;
		log.debug("attaching clean Travelogue instance");
		try {
			ts=getSession().beginTransaction();
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}
}